138896960

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4877}}^1$

素因数の和:4983

約数の個数: 56

約数和(自身を含む): 334533240

約数和(自身を除く): 195636280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 4877, 5696, 7120, 9754, 14240, 19508, 24385, 28480, 39016, 48770, 78032, 97540, 156064, 195080, 312128, 390160, 434053, 780320, 868106, 1560640, 1736212, 2170265, 3472424, 4340530, 6944848, 8681060, 13889696, 17362120, 27779392, 34724240, 69448480, 138896960]

約数ペア:

[(1, 138896960), (2, 69448480), (4, 34724240), (5, 27779392), (8, 17362120), (10, 13889696), (16, 8681060), (20, 6944848), (32, 4340530), (40, 3472424), (64, 2170265), (80, 1736212), (89, 1560640), (160, 868106), (178, 780320), (320, 434053), (356, 390160), (445, 312128), (712, 195080), (890, 156064), (1424, 97540), (1780, 78032), (2848, 48770), (3560, 39016), (4877, 28480), (5696, 24385), (7120, 19508), (9754, 14240)]